This actually depends on which level of education you are and what they are looking for. Most people though merely considers it a part of the Digestive System as the bile it stores is used during digestion.
I have seen however several people put it down as part of the bilary system or subsystem which responsible for the creation and distribution of bile.
Answer:
mother- releases hormones, lowers risk of breast cancer, lowers risk of ovarian cancer, and reduces uterine bleeding. Child- provides nutrients, better survival for the babys first year, lowers risk of sudden infant death syndrome, and offers protection.
Explanation:
Middle-aged adults get satisfaction from helping younger people.